condition	mean	min	max
4 h after light	5.728325	4.41544	7.04121
8 h after light	4.669805	3.3039	6.03571
12 h after light	3.47642	3.30242	3.65042
4 h after dark	3.879925	3.36755	4.3923
8 h after dark	5.876785	5.06272	6.69085
12 h after dark	4.037655	3.32842	4.74689